these 3 derivations will be built:
  /nix/store/4dr98rlikhh2xk04ybghbxv4jkg75bp2-inheritCargoArtifactsHook.drv
  /nix/store/5drwknhdhjl6plavp5fxdclyxr4rh2ln-harmonia-deps-3.1.0.drv
  /nix/store/k0q20rgxgqb491rpjd43mvn8h2nc0vqa-harmonia-llvm-cov-3.1.0.drv